Search a number
-
+
5220612149 = 17929165431
BaseRepresentation
bin1001101110010110…
…00011100000110101
3111110211111120112112
410313023003200311
541142434042044
62222011500405
7243241320404
oct46713034065
914424446475
105220612149
1122399991a5
121018457705
13652781b1c
143774cb63b
152084d309e
hex1372c3835

5220612149 has 4 divisors (see below), whose sum is σ = 5249777760. Its totient is φ = 5191446540.

The previous prime is 5220612143. The next prime is 5220612167. The reversal of 5220612149 is 9412160225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5220612149 - 212 = 5220608053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220612143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14582537 + ... + 14582894.

It is an arithmetic number, because the mean of its divisors is an integer number (1312444440).

Almost surely, 25220612149 is an apocalyptic number.

It is an amenable number.

5220612149 is a deficient number, since it is larger than the sum of its proper divisors (29165611).

5220612149 is a wasteful number, since it uses less digits than its factorization.

5220612149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29165610.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 5220612149 is about 72253.8036991825. The cubic root of 5220612149 is about 1734.7643016559.

The spelling of 5220612149 in words is "five billion, two hundred twenty million, six hundred twelve thousand, one hundred forty-nine".

Divisors: 1 179 29165431 5220612149